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Practice over 1000+ GATE-level questions from this topic!

Designed to match the latest GATE pattern with topic-wise precision, difficulty tagging, and detailed solutions.

Q#1 Synchronous Machines GATE EE 2026 MCQ +1 mark -0.33 marks

The figure shows the single-line diagram of a synchronous generator delivering  of power at unity power factor to an infinite bus.

 denotes the stator current phasor. If the field excitation is increased, which one of the following options correctly describes its effect on the stator current, power factor, and load angle of the machine?

Stator current increases, power factor becomes lagging, load angle remains the same

Stator current decreases, power factor becomes leading, load angle remains the same

Stator current increases, power factor becomes lagging, load angle decreases

Stator current increases, power factor becomes leading, load angle increases

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